Home / 469,539.27-647,450.67-348,904.35

Finding the Fourth Proportional to 469,539.27, 647,450.67 and 348,904.35

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Solution

The fourth proportional to 469,539.27, 647,450.67 and 348,904.35 is: 481,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,539.27 : 647,450.67 = 348,904.35 : x
  2. Step 2: Convert to fraction form
    469,539.27/647,450.67 = 348,904.35/x
  3. Step 3: Cross multiply
    469,539.27x = 647,450.67 × 348,904.35
  4. Step 4: Simplify right side
    469,539.27x = 225,898,355,173.42
  5. Step 5: Solve for x
    x = 225,898,355,173.42/469,539.27
  6. Step 6: Final answer
    x = 481,106.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.